Lionel Chetwynd's film documents the horrific struggles that faced American POWs held in the North Vietnamese prison Hoa Lo -- more infamously known as the Hanoi Hilton -- between 1964 and 1975. Williamson (Michael Moriarty) leads a group of American … Michael Moriarty, John Edwin Shaw, Ken Wright, Paul Le Mat, Lawrence Pressman, Stephen Davies, David Soul Added on Amazon Prime 2023-02-05. Youtube Trailer